A method for transmitting or receiving a frame by a STA in a WLAN according to one embodiment of the present invention may comprise the steps of: receiving a first frame including a PHY header and an A-PHDU obtained by aggregating PHDUs which are PHY data transmission units for a HARQ process; decoding at least one PHDU for the STA in the A-PHDU on the basis of the PHY header; and transmitting a second frame including ACK/NACK information on each of the at least one PHDU for the STA, according to a decoding result, wherein a CRC is individually provided to each of the PHDUs included in the A-PHDU, and the STA transmits a NACK through the second frame in relation to a particular PHDU for which a CRC failure has occurred during the decoding of the particular PHDU.
Legal claims defining the scope of protection, as filed with the USPTO.
5. The method of claim 1, wherein each of the PPDUs comprised in the A-PPDU corresponds to part of one PHY service data unit (PSDU).
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
June 27, 2018
November 22, 2022
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